Question about 2000 Jeep Grand Cherokee

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I have a 2000 Jeep Gd cherokee Larado with 177K miles. Recently it will run and idle rough after shutting the engine off and starting again within a few minutes. I do delivers one day a week and do a lot of shutting the engine off for a few minutes and starting again. I do this for about 3 hours and after an hour or so, the engine acts and idles rough.

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  • Jeep Master
  • 34,253 Answers

You failed to say if you have the straight 6 or the v8 engine

Posted on Oct 01, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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jackiaria

Jack Iaria

  • 350 Answers

SOURCE: check engine light/rough acceleration

Dear atomicboy488,

A lot of Rain=Possible Water in the Gas=Erratic Running!
This sounds like it may be as simple as cleaning the water or gunk out of the gas tank which is what I always do 1st because it's easy and inexpensive.
If your fuel is contaminated with gunk, grime, WATER and/or bottom junk like rust this will cause stalling AND ROUGH ACCELERATION!
Try spraying a can of starter fluid in the air intake and see if it runs! If it does, it's most likely bad fuel or clogged injectors so....
Fill the tank with High Test, Add some DRYGAS and a good fuel system cleaner or 2 or 3 and this should dissolve all the gunk and clean the injectors! Read & follow the cans' instruction carefully.
If this cures the problem never let your gas tank get below 1/4 and especially never run it to empty as this is when the gunk and/or water will enter the system!
Hope this helps!
Good Luck!
jackiaria
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Posted on Feb 11, 2009

Anonymous

  • 43 Answers

SOURCE: Very rough idle on 2002 Jeep Grand Cherokee Limited Edition V8

If you haven't changed the plugs or had the fuel system cleaned, now would be a good time to do it. The number 1 culprit for rough idles is dirty injectors or plugs. You can try an injector cleaner in a can (or bottle) for under $10 and see if it helps, and then work from there. If there isn't any improvement then if you are able to, check the plugs for any gunky buildup and if you find a bad plug, make sure you replace them all (or have them replaced) at the same time.

Posted on Aug 03, 2009

Mike258

Justin Case

  • 1498 Answers

SOURCE: 1991 Jeep Fuel Control Issue

Hey Mudkicker,

Who ever thought of putting an electric fuel pump inside a tank of gas........

Check your other gauges for accuracy. They do that when a ground is loose.

Check the wiring from the fuel tank along the longitudinal frame for frays and shorts. Plugs are secured.

Under the hood, passenger side, check the fuel pump relay. Switch it with one of the others to test it.

Bring the vehicle to an auto parts store. Ask them to break out he code reader. Check for diag codes

Comment me back
Mike.

Posted on Aug 26, 2009

Jonah Oneal

  • 14092 Answers

SOURCE: My 2001 Jeep Cherokee rough idle on hot start up

SOUND LIKE INTAKE MANIFOLD VACUUM LEAK OR VACUUM HOSES VACUUM LEAK.ALSO DIRTY FUEL INJECTORS WILL CAUSE THAT PROBLEM YOU DESCRIBE.

Posted on Apr 02, 2010

johnjohn2

Johnny Brown

  • 5763 Answers

SOURCE: Why would my 2000 jeep cherokee throw a cylinder 3

Ther are a few thing that can cause this, first you may have a leaking injector that loads cylinder up and after its blown out its fine until it sits and you restart it depending on engine temp or you may have a bad sparkplug or wire, some of these come with coil overplug and in that case there are no wires just a coil boot on each coil for each cylinder, you will need to check to make sure the boots are good and last would be the coil, good luck,

Posted on Mar 05, 2011

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